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03_5_3d-volume-plots.fsx
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03_5_3d-volume-plots.fsx
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(**
---
title: 3D Volume plots
category: 3D Charts
categoryindex: 4
index: 6
---
*)
(*** hide ***)
(*** condition: prepare ***)
#r "nuget: Newtonsoft.JSON, 12.0.3"
#r "nuget: DynamicObj"
#r "../bin/Plotly.NET/netstandard2.0/Plotly.NET.dll"
(*** condition: ipynb ***)
#if IPYNB
#r "nuget: Plotly.NET, {{fsdocs-package-version}}"
#r "nuget: Plotly.NET.Interactive, {{fsdocs-package-version}}"
#endif // IPYNB
(**
# 3D Volume plots
[![Binder]({{root}}img/badge-binder.svg)](https://mybinder.org/v2/gh/plotly/Plotly.NET/gh-pages?filepath={{fsdocs-source-basename}}.ipynb) 
[![Script]({{root}}img/badge-script.svg)]({{root}}{{fsdocs-source-basename}}.fsx) 
[![Notebook]({{root}}img/badge-notebook.svg)]({{root}}{{fsdocs-source-basename}}.ipynb)
*Summary:* This example shows how to create 3D-Volume charts in F#.
let's first create some data for the purpose of creating example charts:
*)
open System
open Plotly.NET
let linspace (min,max,n) =
if n <= 2 then failwithf "n needs to be larger then 2"
let bw = float (max - min) / (float n - 1.)
Array.init n (fun i -> min + (bw * float i))
let mgrid (min,max,n) =
let data = linspace(min,max,n)
let z = [|for i in 1 .. n do [|for i in 1 .. n do yield data|]|]
let x = [|for i in 1 .. n do [|for j in 1 .. n do yield [|for k in 1 .. n do yield data.[i-1]|]|]|]
let y = [|for i in 1 .. n do [|for j in 1 .. n do yield [|for k in 1 .. n do yield data.[j-1]|]|]|]
x,y,z
let x,y,z =
mgrid(-8.,8.,40)
|> fun (x,y,z) ->
(x |> Array.concat |> Array.concat),
(y |> Array.concat |> Array.concat),
(z |> Array.concat |> Array.concat)
let values =
Array.map3 (fun x y z ->
sin(x*y*z) / (x*y*z)
) x y z
open Plotly.NET.TraceObjects
let volume =
Chart.Volume(
x, y, z, values,
Opacity=0.1,
Surface=(Surface.init(Count=17)),
IsoMin=0.1,
IsoMax=0.8,
ColorScale = StyleParam.Colorscale.Viridis
)
(*** condition: ipynb ***)
#if IPYNB
volume
#endif // IPYNB
(***hide***)
volume |> GenericChart.toChartHTML
(*** include-it-raw ***)